9821141 has 16 divisors (see below), whose sum is σ = 11225088. Its totient is φ = 8511600.

The previous prime is 9821137. The next prime is 9821159. The reversal of 9821141 is 1411289.

It is a cyclic number.

It is not a de Polignac number, because 9821141 - 2² = 9821137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9821141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9821131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28130 + ... + 28476.

It is an arithmetic number, because the mean of its divisors is an integer number (701568).

Almost surely, 2^9821141 is an apocalyptic number.

It is an amenable number.

9821141 is a deficient number, since it is larger than the sum of its proper divisors (1403947).

9821141 is a wasteful number, since it uses less digits than its factorization.

9821141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its digits is 576, while the sum is 26.

The square root of 9821141 is about 3133.8699717761. The cubic root of 9821141 is about 214.1512672608.

The spelling of 9821141 in words is "nine million, eight hundred twenty-one thousand, one hundred forty-one".